Itâs claimed that this process bonds the keratin to the hair, leaving the hair temporarily straighter, softer and smoother. Pros. 1  This less invasive treatment is kinder on hair than traditional relaxing systems that use stronger alkaline chemicals to break down the bonds within the hair.ons. 1  As the name suggests, this technique relaxes hair rather then leaving it poker straight, so if you want absolute stick straight and frizz-free hair, this method may not be for you. 2  As with every chemical process, the ever present risk of damage is there.
Throughout the Corps more than 4,000-mile journey, Captains Lewis and Clark recorded 178 plants and 122 animals not previously known to science. Lewis recorded and pressed and preserved some 240 different plant species and brought them back to Washington, along with hundreds of animal and bird skins and skeletons.
Lewis and Clark Expedition. For other uses, see Lewis and Clark (disambiguation). The Lewis and Clark Expedition, also known as the Corps of Discovery Expedition, was the first American expedition to cross what is now the western portion of the United States. It began near St. Louis, made its way westward, and passed through the continental divide to reach the Pacific coast.